Jiaozuo, China
Jiaozuo, China

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Wang G.,Jiangsu University | Wang L.,Jiangsu University | Liu G.,Jiangsu University | Zhang L.,Aeolus Tyre Co.
Yingyong Jichu yu Gongcheng Kexue Xuebao/Journal of Basic Science and Engineering | Year: 2014

The coextrusion molding process of double-layer composite tread (TWD40/FS10) was analyzed with three dimensional numerical simulation method by using the CFD package Polyflow. Effect of the drawing velocity on the flow was analyzed, and the results were verified by experiments. The research indicates that with certain drawing velocity and inlet flow rate in coextrusion molding process, the velocity distribution in the direction perpendicular and upward to the extrusion flow is a key factor that influences the quality of the coextrusion products, and the decrease of die swell ratio is mainly caused by the increase of drawing velocity, not the wall shear rate. The maximum relative error of the section size between the simulated results and the experimental results is 7.39%, which is in the permission range of engineering error, and the simulation can guide practical double-layer tread production.


Li W.,Henan Polytechnic University | Li W.,Aeolus Tyre Co. | Zeng Q.,Henan Polytechnic University | Shen L.,Henan Polytechnic University | Zhang Z.B.,Henan Polytechnic University
Advanced Materials Research | Year: 2014

A multi-objective optimization method for system reliability allocation was proposed. Firstly, a constrained multi-objective optimization model for system reliability allocation was established with the objective to maximize the system reliability, minimize the cost, volume and mass. Secondly, aiming at the characteristic of the model, a non dominated sorting genetic algorithm with elitist strategy (NSGA II) was presented and designed. In the algorithm, an object-oriented technique was introduced to map each individual to each corresponding object and a population to an array of objects, each individual was encoded by each corresponding vector made up of the selection indices of every function unit, the tournament selection strategy was used to implement the selection operation based on the ranks and congestion degrees of the individuals, a swap way of two-point gene segment was used to implement the crossover operation, a one point mutation way was used to implement the mutation operation and the Pareto operation was implemented based on the ranks and congestion degrees of the individuals. Finally, the effectiveness of the proposed research was validated by case study. © (2014) Trans Tech Publications, Switzerland.


Wang G.,Jiangsu University | Jiang B.,Jiangsu University | Li G.,Aeolus Tyre Co. | Yue S.,Aeolus Tyre Co.
Gaofenzi Cailiao Kexue Yu Gongcheng/Polymeric Materials Science and Engineering | Year: 2014

Considering the larger relative error of local area of tire tread(TMG), the inverse numerical technique was used to design the extrusion die by selecting Phan-Thien and Tanner(PTT) constitutive equation and Navier slip equation with Polyflow. The die outlet was analyzed. Based on the uneven velocity distribution, channels of different lengths were selected to design die and analyze their influence on extrusion quality. The results show that the configuration of inverse designed die depends on the velocity distribution along extrusion direction at the exit; the effect of channel length on area of die outlet, swell ratio, the velocity distribution and pressure distribution is significant; the redesigned extrusion section has good agreement to the construction designed section.


Guo S.,Henan Polytechnic University | Zhang H.,Aeolus Tyre Co.
2010 International Conference on E-Product E-Service and E-Entertainment, ICEEE2010 | Year: 2010

The National Undergraduate Electronic Design Contest is very important for the training of innovatory talent.This paper gives an introduction to the concrete methods on Electronics Technology Funda-mentals reform of our university in these years. These measures are proved to be useful and successful incultivation of students' interests and practical capabilities, which is helpful to improve the teachers' teachinglevel. The reform and construction of the innovative talent training system are also briefly described. ©2010 IEEE.


Wang G.-L.,Jiangsu University | Liu G.-J.,Jiangsu University | Wang L.,Jiangsu University | Zhang L.-X.,Aeolus Tyre Co.
Cailiao Gongcheng/Journal of Materials Engineering | Year: 2014

Based on coextrusion process of tire tread rubber, Phan-Thien and Tanner (PTT) constitutive equation and Navier slip equation were used to simulate the three-dimensional flow of the viscoelastic melt (TWS/FB) at the exit in tread rubber coextrusion process. The effects of different slip length was analyzed, the results show that viscosity difference is one of the main factors that cause the interface deflecting to the higher viscosity, when the inflow rates of two rubber melts are the same. The velocity field and shear rate distribution are reduced and uniform along with the proper increase of slip length. The die swell and the interface deflexion phenomenon will be reduced effectively.


Wang G.,Jiangsu University | Shi B.,Jiangsu University | Ji X.,Aeolus Tyre Ltd Company | Wang C.,Jiangsu University | Liang C.,Jiangsu University
Jiangsu Daxue Xuebao (Ziran Kexue Ban)/Journal of Jiangsu University (Natural Science Edition) | Year: 2011

In order to optimize the tire curing degree of uniformity, the curing FE models of radial tire 11.00R22.5 were built by ABAQUS and the temperature fields were analyzed. Based on this, the curing degrees of tire were calculated by Arrhenius Equation. With the help of orthogonal experimental design, neural network and genetic algorithm, a new optimization approach for determination of external steam temperature during tire vulcanization process was proposed. It was expected that the refined optimization technique would lead to good curing degree of uniformity and curing time. From the comparison between the initial results and optimized results, it finds that more uniform level of the optimized tire vulcanization has been reached and the performance of tire has been upgraded. At the same time, the production cycle decreases and the productivity increases due to the reduced tire vulcanization.


Liang C.,Jiangsu University | Wang L.,Jiangsu University | Jiang B.,Jiangsu University | Li G.,Aeolus Tyre Co. | Wang G.,Jiangsu University
Jixie Gongcheng Xuebao/Journal of Mechanical Engineering | Year: 2013

The structure of extrusion die plays a crucial role in the quality control of tire compounds profile production. But in practice, the design of coextrusion die is mainly dependent on the experience of the designer, thus many times of modifications and experiments are needed to gain an acceptable product. The three-dimensional coextrusion mold process for tire compounds (TWD40/FS10) is analyzed by using the computational fluid dynamics (CFD) package polyflow. The outlet velocity and extrusion pressure as well as the flow process are analyzed in details, and the reliability of the simulation is verified by experiment. With the simulation results of the initial die design, a non-uniform velocity distribution is observed. To solve the problem of the non-uniform velocity distribution, two steps of the die design for the tire compounds coextrusion are proposed, including heighten and widen the narrow section of the die lip, which are beneficial to balance the outlet velocity and extrusion pressure as well as to get reasonable product. The results show that the die design method based on numerical simulation is valid and it is useful to provide guidelines for the die design of the similar kind profiles of tire compounds.


Trademark
Aeolus Tyre Co. | Date: 2013-05-08

Inner tubes for pneumatic tires; tyres for bicycles, cycles; casings for pneumatic tires; treads for retreading tires; pneumatic tires; tyres, solid, for vehicle wheels; vehicle wheel tires; automobile tires; inner tubes for bicycles, cycles; tubeless tires for bicycles, cycles.


Trademark
Aeolus Tyre Co. | Date: 2012-05-24

Casings for pneumatic tires; Inner tubes;Inner tubes for vehicle tires; Pneumatic tyres and inner tubes for motorcycles; Tire tubes for vehicles; Tires; Tires for childrens bicycles; Tires for vehicles; Tread used to retread tires; Treads for retreading tyres; Tubular tires; Tyres and inner tubes for the wheels of forestry vehicles; Valves for vehicle tires.


Trademark
Aeolus Tyre Co. | Date: 2013-12-09

Bicycle parts, namely, tubes and connectors for bicycle frames; Casings for pneumatic tires; Inner tubes; Inner tubes for vehicle tires; Pneumatic tyres and inner tubes for motorcycles; Tire tubes for vehicles; Tires; Tires; Tires for childrens bicycles; Tires for land vehicles; Tires for vehicle wheels; Tires for vehicles; Tread used to retread tires; Treads for retreading tires for civil engineering vehicles; Tubular tires; Valves for vehicle tires.

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